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HD 33142 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 33142 c

Confirmed exoplanet · Gas Giant

HD 33142 c

Orbiting HD 33142

Discovered in 2016 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 33142 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 282.867282 M⊕
Orbit: 810.2 days
Distance: 121.375 pc

Planet profile

Orbit and physical properties

Orbital period: 810.2 days
Semi-major axis: 1.955 AU
Eccentricity: 0.081
Radius: 13.9 Earth radii
Mass: 282.867282 Earth masses
Mass provenance: Msini
Density: 0.579 g/cm³
Equilibrium temperature: 353.91 K
Insolation: 2.619 Earth flux

Host system

Star and system properties

Host star: HD 33142
Stars in system: 1
Known planets in system: 3
Spectral type: K0 III
Stellar temperature: 5,025.4 K
Stellar radius: 4.17 R☉
Stellar mass: 1.52 M☉
Stellar metallicity: 0.06 dex
Stellar age: 2.72 Gyr
Distance: 121.375 parsecs
Right ascension: 05h07m35.53s
Declination: -13d59m10.81s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-04
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 33142 c.

Generic gas giant catalog artwork; not a direct image of HD 33142 c — Apex Andromeda catalog artwork